.header{
    width: 100%;
    background-color: #FDFCFC;
}

.content-c{
    width: 1200px;
    /* height: 1200px; */
    /* background-color: #666; */
    margin-top: 100px;
    background-color: #fff;
}
.content-c h2{
    color: #323232;
    font-size: 22px;
    line-height: 22px;
    height: 22px;
    margin-bottom: 5px;
}
.content-c .msg{
    color: #b7b1b1;
    height: 16px;
    line-height: 16px;
    margin-bottom: 70px;
}
.content-list{
    width: 1200px;
    height: 1000px;
    /* background-color: #b6e6b0; */
}
.content-list .list-item{
    float: left;
    width: 550px;
    height: 250px;
    /* background-color: #e6b6e0; */
    margin-bottom: 70px;
    margin-right: 100px;
}
.content-list .mr0{
    margin-right: 0;
}
.list-item .img{
    float: left;
    width: 350px;
    height: 250px;
}
.list-item .img{
    position: relative;
    
}
.content-list .list-item .mask{
    position: absolute;
    width: 350px;
    height: 250px;
    top: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.2);
    display: none;
    z-index: 3;
}
.content-list .list-item .mask-xian{
    position: absolute;
    top: 25px;
    left: 25px;
    width: 300px;
    height: 200px;
    border: 2px solid #54E3E8;
    display: none;
}
.content-list .list-item:hover .mask{
    display: block;
}
.content-list .list-item:hover .mask +.mask-xian{
    display: block;
}

.list-item .menu{
    float: left;
    width: 180px;
    height: 220px;
    padding-left: 20px;
    margin-top: 30px;
}

.menu h3{
    font-size: 18px;
    height: 18px;
    line-height: 18px;
    color: #3a3a3a;
    margin-bottom: 8px;
}
.menu p{
    font-size: 14px;
    color: #727171;
}
.menu .coin{
    color: #3a3a3a;
    font-size: 16px;
    height: 16px;
    line-height: 16px;
    margin-bottom: 8px;
}
.menu span{
    display: inline-block;
    width: 40px;
    height: 18px;
    line-height: 18px;
    font-size: 14px;
    border: 1px solid #b5b5b5;
    text-align: center;
    margin-right: 5px;
    color: #474646;
    border-radius: 3px;
    margin-bottom: 36px;
}
.menu .menu-p1{
    margin-bottom: 10px;
}
.menu .menu-p2{
    height: 40px;
    line-height: 24px;
}